Swashbuckler!: Weapons
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Name                    Attack        Hit %         Cost          Added Affect
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Cutlass                  20             90             70              None
Pirate Cutlass         33             90             220            None
Sky Cutlass            45             90             450            None
Assassin Blade       58             90             830            Poison
Nasr Cutlass          76             90             1340           None
Hunter's Sword      87             90             2280           None
Stone Cutter          99             90             3120           None
Iron Cutter            112            90             3870           None
Admiral Cutlass     128            90             4970           None
Dream Cutlass       137           90              6690          None
Surian Blade         141            90             7500           None
Wind Slicer           153            90             8760          None
Thunder Cutlass    160            90             8610          None
Soul Sword           174            90             12340        Death
Tuna Cutlass         150              0             ?????         None
Vorlik Blade           200           200            16500        None

Getting the Vorlik Blade:
The Vorlik blade requires two pieces of velorium, which can be found in Deep Sky. When searching for Fina's ship, you can find velorium in the second column-fourth row square and the eighth column, fourth row square. Once you have velorium, Ryu-kan's forge will need upgrading before he can make new weapons. When the forge is upgraded, speak to Ryu-kan and he'll offer to make the Vorlik blade. :)
Getting the Tuna Cutlass:
Your DC needs to have online capabilities. Download the 3rd patch to your VMU, and then find the Mystery Merchant (the little guy who sells unique items in Sailor's Island's Inn and in a few other ports).  The patch gives you the option to buy two new weapons: the Tuna Cutlass and the Swirlmerang. The Tuna Cutlass is...well...a really big tuna, and a knife to gut it, while the Swirlmerage is a lollipop for Aika  with a 99% chance to confuse enemies (including bosses!). The Tuna Cutlass is pretty useless, but it's a lot of fun to use, and it's not half bad if it's used with S-Moves.